101421144444 has 48 divisors (see below), whose sum is σ = 243210077600. Its totient is φ = 32871038976.

The previous prime is 101421144439. The next prime is 101421144457. The reversal of 101421144444 is 444441124101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 584412 + ... + 737820.

Almost surely, 2^101421144444 is an apocalyptic number.

It is an amenable number.

101421144444 is an abundant number, since it is smaller than the sum of its proper divisors (141788933156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101421144444 is a wasteful number, since it uses less digits than its factorization.

101421144444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154942 (or 154940 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 30.

Adding to 101421144444 its reverse (444441124101), we get a palindrome (545862268545).

The spelling of 101421144444 in words is "one hundred one billion, four hundred twenty-one million, one hundred forty-four thousand, four hundred forty-four".